NTSB investigations, AK
87 cases where the sequence of events included Landing gear collapse.
Cases per year
| 2008 | 8 |
|---|---|
| 2009 | 9 |
| 2010 | 5 |
| 2011 | 6 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 4 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 4 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"eventStateOrRegion\" = 'AK' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '094' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '094' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC26LA104Accident · No injuriesClass 4 · LimitedInvestigation openTaylorcraft BL-65 · Ninilchik, AKNTSB ANC26LA099Accident · No injuriesClass 4 · LimitedInvestigation openMaule M-5-210C · Venetie, AKNTSB ANC26LA058Accident · No injuriesClass 4 · LimitedInvestigation openCessna 182Q · Beaver, AKNTSB ANC26LA032Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A185F · Aniak, AKOn April 24, 2026, about 1045 Alaska daylight time, a wheel/ski-equipped Cessna 185 airplane, N92DC, was substantially damaged in an accident at Aniak Airport (ANI), Aniak, Alaska. The pilot and one passenger were not injured. The flight was being operated as…NTSB ANC26LA005Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-31-350 · Eek, AKThe pilot’s loss of directional control when the airplane encountered snow and ice on the runway while landing at night in gusting crosswind conditions.NTSB ANC25LA087Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-160 · Homer, AKThe failure of the left main landing gear mount due to extensive corrosion while landing in an area of rough terrain.NTSB ANC25LA006Accident · No injuriesClass 4 · LimitedFinal reportPiper PA22 · Talkeetna, AKThe mechanical failure of the left main landing gear leg due to corrosion, resulting in substantial damage to the left struts.NTSB ANC25LA003Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Wasilla, AKThe pilot’s failure to maintain directional control during the landing roll, resulting in a ground loop.NTSB ANC24LA082Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Sagwon, AKA failure of the landing gear fitting at the fuselage attachment point to due to a poor weld joint.NTSB ANC24LA048Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-2 · Bethel, AKThe uncertificated pilot’s decision to fly an unairworthy airplane and his failure to maintain directional control during landing, which resulted in a landing gear collapse. Contributing was the failure of the right main landing gear oleo strut.NTSB ANC22LA054Accident · No injuriesClass 4 · LimitedFinal reportCessna 182D · McGrath, AKA nose landing gear collapse during landing for reasons that could not be determined based on the available information.NTSB ANC22LA042Accident · No injuriesClass 4 · LimitedFinal reportShort Bros. & Harland SC7 · Chisana, AKThe pilot’s selection of an unsuitable landing site, which resulted in the nosewheel collapsing.NTSB ANC22LA029Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Beluga, AKThe pilot’s excessive touchdown speed, which resulted in a long landing and impact with terrain.NTSB WPR22LA124Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · McGrath, AKA failure of the right main landing gear bellcrank lower arm fork, bellcrank, pivot bolt, and trunnion bellcrank lug for undetermined reasons.NTSB ANC21LA084Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Gustavus, AKThe pilot’s failure to maintain directional control during an off-airport beach landing.NTSB ANC21LA029Accident · No injuriesClass 4 · LimitedFinal reportCessna 170A · Lime Village, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in a landing gear collapse.NTSB ANC21LA022Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Skwentna, AKInstallation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main landing gear ski yoke and collapse of the right main landing gear…NTSB ANC21LA019Accident · No injuriesClass 4 · LimitedFinal reportCessna U206G · McGrath, AKThe pilot’s selection of an unsuitable landing surface.NTSB ANC20CA071Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Palmer, AKThe pilot's loss of control during landing, which resulted in a ground loop and left main landing gear collapse.NTSB ANC20LA053Accident · No injuriesClass 3 · LimitedFinal reportZenith Stol CH701 · Ambler, AKThe pilot’s improper decision to take off from unsuitable terrain, which resulted in impact with uneven terrain, the subsequent failure of the nosewheel fork, and a nose over.NTSB ANC20CA022Accident · No injuriesClass 4 · Data collectionFinal reportCessna 182 · Koyuk, AKThe pilot's failure to maintain directional control during a landing in flat light conditions, which resulted in a ground loop.NTSB ANC19LA047Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-22-150 · Talkeetna, AKA failure of the aft left weld-on fuselage landing gear fitting due to a poor weld joint.NTSB ANC19LA045Accident · No injuriesClass 3 · LimitedFinal reportDouglas C 118A · Buckland, AKThe pilot's failure to maintain an adequate glidepath during the approach, which resulted in the airplane impacting rocks and dirt at the runway threshold, a separation of the right main landing gear, and a loss of directional control.NTSB GAA19CA500Accident · No injuriesData collectionFinal reportPiper PA18 · Tok, AKThe pilot's failure to maintain directional control during landing and his excessive rudder input, which resulted in a runway excursion and landing gear collapse.NTSB ANC19LA016Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Bethel, AKA total loss of engine power due to a fatigue failure of the crankshaft. A contributing factor was the inadequate inspection during the engine’s last overhaul.NTSB GAA19CA132Accident · No injuriesData collectionFinal reportPiper PA 18A · McGrath, AKThe pilot's selection of unsuitable terrain for landing, which resulted in the landing gear collapsing.NTSB ANC19CA010Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA31 · Chignik Lagoon, AKThe pilot’s selection of an unsuitable runway for landing, which resulted in a loss of control and runway excursion.NTSB ANC19CA003Accident · No injuriesData collectionFinal reportCessna 207 · Anchorage, AKThe pilot's inadequate in-flight fuel management, which resulted in fuel starvation and the subsequent loss of engine power, and her subsequent failure to maintain clearance from trees during the approach to land at a nearby airstrip.NTSB GAA18CA494Accident · No injuriesData collectionFinal reportPiper PA18 · Gilliam Glacier, AKThe pilot's improper decision to take off in gusting crosswind conditions, which resulted in a loss of control and collision with terrain.NTSB GAA18CA363Accident · No injuriesData collectionFinal reportPiper PA22 · Yakutat, AKThe pilot’s failure to maintain directional control during landing.NTSB GAA18CA187Accident · No injuriesData collectionFinal reportBeech 99 · King Salmon, AKThe pilot’s failure to maintain an adequate approach path and runway centerline during the initial landing, which resulted in a hard landing to the left of the runway and damage to the landing gear and wing.NTSB ANC18LA030Accident · No injuriesLimited investigationFinal reportChampion 7GC · Anchorage, AKThe pilot's failure to maintain directional control during landing with a crosswind, which resulted in a loss of control and failure of the main landing gear. Contributing to the accident was the pilot's self-induced pressure to land.NTSB ANC18LA019Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fatigue failure of the right main landing gear hydraulic actuator, which resulted in the pilot's inability to fully extend the landing gear and a main landing gear collapse during the landing roll.NTSB GAA18CA088Accident · No injuriesData collectionFinal reportPiper PA 32R · Kwigillingok, AKThe pilot’s decision to land with the sun in his eyes, which resulted in a short landing.NTSB GAA18CA006Accident · No injuriesData collectionFinal reportMaule M 7 · Manokatak, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions.NTSB GAA17CA527Accident · No injuriesData collectionFinal reportPiper PA 12 · Kotzebue, AKThe pilot’s failure to maintain directional control while landing on an unimproved airstrip in gusting wind conditions.NTSB ANC17LA042Accident · No injuriesLimited investigationFinal reportBeech 19A · Palmer, AKThe pilot's selection of unsuitable terrain for landing, which resulted in the right main landing (MLG) tire impacting a rock and the subsequent loss of directional control and collapse of the right MLG.NTSB GAA17CA353Accident · No injuriesData collectionFinal reportCessna 207 · Homer, AKThe pilot's decision to land on unsuitable terrain, which resulted in the nosewheel breaking and a subsequent noseover.NTSB ANC17LA022Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 18-150 · Chugiak, AKA fracture and collapse of the main landing gear. Contributing to the accident was corrosion to the hydrasorb lug fitting.NTSB GAA17CA228Accident · No injuriesData collectionFinal reportBellanca 8GCBC · Willow, AKThe airplane's left main ski's collision with a submerged frozen sand berm.NTSB GAA17CA193Accident · No injuriesData collectionFinal reportPiper PA 12 · Palmer, AKThe pilot’s failure to maintain directional control during takeoff, which resulted in a ground loop.NTSB ANC17LA014Accident · Serious injuriesLimited investigationFinal reportPiper PA 32R-300 · McGrath, AKThe failure of the nose landing gear to extend and lock due to the failure of the alternator and reduced battery power due to the cold ambient temperature, which prohibited the electrically-driven hydraulic pump from supplying adequate hydraulic pressure to…NTSB ANC17LA006Accident · Minor injuriesLimited investigationFinal reportPiper PA32R · Bethel, AKA total loss of engine power due to oil starvation, which resulted from an oil cooler leak at a fractured brazed seam.NTSB GAA17CA057Accident · No injuriesData collectionFinal reportPiper PA18 · Mouth of The Big Susitna River, AKThe pilot’s decision to take off with a gusting quartering tailwind and his subsequent loss of airplane control.NTSB ANC16LA067Accident · No injuriesLimited investigationFinal reportHelio H 295 · Fairbanks, AKExcessive side loads imposed on the tailwheel A-frame during the takeoff roll, which resulted in a separation of the tailwheel and the subsequent loss of directional control.NTSB GAA16CA434Accident · No injuriesData collectionFinal reportCessna 182 · Anchorage, AKThe pilot's failure to maintain a controlled landing flare, which resulted in a hard landing. Contributing to the accident was the pilot's inattention and distraction.NTSB ANC16CA055Accident · No injuriesData collectionFinal reportKirbybilt Xcalibur · Valdez, AKThe pilot's failure to maintain an adequate glide path during landing, which resulted in the airplane landing short of the airstrip, a landing gear collapse, and subsequent substantial damage to the fuselage.NTSB GAA16CA264Accident · No injuriesData collectionFinal reportPiper PA18 · Seward, AKThe pilot receiving instruction's failure to maintain proper airspeed and descent rate, and the flight instructor's delayed remedial action during the landing flare, which resulted in a hard landing and landing gear collapse.NTSB GAA16CA207Accident · No injuriesData collectionFinal reportCessna U206 · Port Alsworth, AKThe pilot's failure to maintain an appropriate descent rate during the landing flare in gusty crosswind conditions, which resulted in a hard landing, aerodynamic stall, impact with terrain, nose gear collapse, and nose over.NTSB ANC15LA048Accident · No injuriesLimited investigationFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fractured left main landing gear hydraulic actuator as a result of a fatigue crack, which led to the landing gear collapsing upon touchdown.